DRM_CAP_PRIME(9)

💅 DRM_CAP_PRIME 💅

Okay so bestie, this whole page lives in the Kernel API Manual — that's the 9 hanging off the end of the name, iykyk. It's a teeny tiny one, literally a one-capability wonder, but we're gonna give it the full main-character treatment. 🫶

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✨ NAME ✨

DRM_CAP_PRIME — and that's it, that's the whole name line, no cap. The original leaves the description blank, so we are not inventing one. The name is the moment. 👑

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🦋 SYNOPSIS 🦋

DRM_CAP_PRIME

Just the bare identifier, sitting there being iconic. No arguments, no flags, no drama. 💅

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🌸 DESCRIPTION 🌸

So this thing? It's a bitfield of supported PRIME sharing capabilities. That's the whole vibe. 🎀

If you wanna know what the individual bits mean, go look at DRM_PRIME_CAP_IMPORT and DRM_PRIME_CAP_EXPORT — they're the actual receipts, not this page.

Now, starting from kernel version 6.6, plot twist: both DRM_PRIME_CAP_IMPORT and DRM_PRIME_CAP_EXPORT are always advertised. Like, every single time. No more vibe check, the answer is always yes. ✨

Also PRIME buffers are exposed as dma-buf file descriptors — yes, the fancy shared-memory-ish fd thing. See :ref:prime_buffer_sharing`` for the deep lore. 🧚

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🔥 SEE ALSO 🔥

Okay this list is long, but every single one of these deserves their moment, so here we go, no skipping, we don't do that here: 💖

• Kernel file ./tools/perf/trace/beauty/include/uapi/drm/drm.h struct
• drm_gem_close(9)
• struct drm_gem_flink(9)
• struct drm_gem_open(9)
• struct drm_gem_change_handle(9)
• DRM_CAP_DUMB_BUFFER(9)
• DRM_CAP_VBLANK_HIGH_CRTC(9)
• DRM_CAP_DUMB_PREFERRED_DEPTH(9)
• DRM_CAP_DUMB_PREFER_SHADOW(9)
• DRM_PRIME_CAP_IMPORT(9)
• DRM_PRIME_CAP_EXPORT(9)
• DRM_CAP_TIMESTAMP_MONOTONIC(9)
• DRM_CAP_ASYNC_PAGE_FLIP(9)
• DRM_CAP_CURSOR_WIDTH(9)
• DRM_CAP_CURSOR_HEIGHT(9)
• DRM_CAP_ADDFB2_MODIFIERS(9)
• DRM_CAP_PAGE_FLIP_TARGET(9)
• DRM_CAP_CRTC_IN_VBLANK_EVENT(9)
• DRM_CAP_SYNCOBJ(9)
• DRM_CAP_SYNCOBJ_TIMELINE(9)
• DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP(9)
• DRM_CLIENT_CAP_STEREO_3D(9)
• DRM_CLIENT_CAP_UNIVERSAL_PLANES(9)
• DRM_CLIENT_CAP_ATOMIC(9)
• DRM_CLIENT_CAP_ASPECT_RATIO(9)
• DRM_CLIENT_CAP_WRITEBACK_CONNECTORS(9)
• DRM_CLIENT_CAP_CURSOR_PLANE_HOTSPOT(9)
• DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE(9)
• struct drm_syncobj_eventfd(9)
• DRM_IOCTL_GEM_CLOSE(9)
• DRM_IOCTL_PRIME_HANDLE_TO_FD(9)
• DRM_IOCTL_PRIME_FD_TO_HANDLE(9)
• DRM_IOCTL_MODE_RMFB(9)
• DRM_IOCTL_MODE_CREATE_DUMB(9)
• DRM_IOCTL_MODE_GETFB2(9)
• DRM_IOCTL_SYNCOBJ_EVENTFD(9)
• DRM_IOCTL_MODE_CLOSEFB(9)
• DRM_IOCTL_SET_CLIENT_NAME(9)
• DRM_IOCTL_GEM_CHANGE_HANDLE(9)
• struct drm_event(9)
• DRM_EVENT_VBLANK(9)
• DRM_EVENT_FLIP_COMPLETE(9)
• DRM_EVENT_CRTC_SEQUENCE(9)

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Lowkey the most wholesome part: this page traces back to ./tools/perf/trace/beauty/incl... (it gets cut off in the footer, bestie, we don't make stuff up here 🙈) and it's dated October 2026. Version vibes: DRM_CAP_PRIME(9). Slay, bye! 💜🎀🦋